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Why Invest

One Vision

Empowering better health with diagnostic insights.

2-Point Strategy

We are guided by our 2 - point strategy to accelerate growth and drive operational excellence.

Three Goals

We seek to promote a healthier world, build value, and create an inspiring workplace.

The Leader in Diagnostic Information Services

Quest is the leader in the rapidly evolving diagnostic information services market , with unsurpassed focus, scale and innova tion. Each year we serve 1/3 of the adult U.S. population and one half of U.S. physicians and hospitals. The insights we provide help drive 70 percent of healthcare decisions.

Powerful Brand within Health Care

Quest has the highest level of unaided consumer brand awareness among lab providers and high levels of satisfaction among patients, physicians and hospitals who rely on the critical insights we provide.

Our People

At the core of Quest are 46,000 passionate professionals who are committed to delivering diagnostic insights which inspire people to take action to improve their health.

Strong Track Record of Value Creation

Quest’s unmatched competitive advantages – our people, our powerful brand, our access to commercially insured lives, our investment - grade balance sheet, and our strong cash flow generation – create opportunities to build on our track record of long - term value creation.